Complaint
Appearance: white powder
Solubility: soluble in water, insoluble in ethanol. Its water solution is alkalic. It is liable to deliquesce by moisture in the air.
| Index | Standard |
| Purity (As Na4P2O7) by wt % | 96.5 min |
| P2O5 by wt % | 51.5 min |
| Loss on Ignition by wt % | 0.5 max |
| Water insoluble by wt % | 0.2 max |
| pH value | 9.9~10.7 |
| Floride (as F) by ppm | 50 max |
| Arsenic (as As) by ppm | 3 max |
| Heavy metal (as Pb) by ppm | 4 max |
| Particle size (pass 100 mesh sieve) by wt % | 90 min |
1. It is always applied in food industry as quality improver and emulsifier, like canned foods, fruit drinks, milk products like condensed milk, cheese, soybean milk and so on.
2. Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating.
We normally list 2 years as the shelf life in our COA, the real shelf life is actually much longer than 2 years if it's stocked in good condition (bags are sealed enough, away from direct sun-light, moisture and other incompatible chemical materials)
